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18NM NW Galveston TX

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 1:21 pm CDT Jun 13, 2026
Forecast Valid: 2pm CDT Jun 13, 2026-6pm CDT Jun 19, 2026

This Afternoon

SE wind around 15 kt. A slight chance of showers and thunderstorms before 3pm. Seas 1 ft or less.

Tonight

SSE wind 10 to 15 kt. Partly cloudy. Seas 1 ft or less.

Sunday

SSE wind 10 to 15 kt. A chance of showers and thunderstorms, mainly after 1pm. Seas 1 ft or less.

Sunday Night

S wind around 10 kt. A slight chance of showers between midnight and 1am, then a chance of showers and thunderstorms after 1am. Seas 1 ft or less.

Monday

S wind 5 to 10 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Seas 1 ft or less.

Monday Night

S wind 5 to 10 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Seas 1 ft or less.

Tuesday

S wind 5 to 10 kt. Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Seas 1 ft or less.

Tuesday Night

SSE wind around 10 kt. A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Seas 1 ft or less.

Wednesday

S wind 10 to 15 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Winds and waves higher in and near thunderstorms.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.